klte: Add in some stock init stuff, fixes WiFi etc.

Change-Id: Idb12a255daae5612ffcef5d54db2c48576ace792
klte: Disable keymaster for now

Normal firmware files don't exist and so far haven't been able to make
keymaster work with alternates.

Change-Id: I479cbbfaf7701dd069200b3668aaea7c16087ffb